The origins of Vaduz go back to antiquity when the fertile Rhine Valley became a crossroads for major trade routes. The city's name, first recorded in the 12th century as Faduzes, has Rhaeto-Romance roots. It stems from a word meaning "canal" or "ditch," directly pointing to the complex system of waterways characteristic of the area in the early Middle Ages.
Even before the city appeared, life was bustling here: during the Roman Empire, a fortress stood on these lands, protecting the military road from Milan to Lake Constance. Archaeological finds confirm that the foundations of modern buildings often rest on ancient layers. However, the official birth of the city as a fortified settlement is linked to the 13th century, when the Counts of Werdenberg began building a mighty castle on the mountainside.
A key factor in the development of the city in Liechtenstein was political independence. In 1342, the independent County of Vaduz was created, and the castle became its administrative and cultural core. The economy of those years relied on viticulture and agriculture, and its proximity to a strategic Alpine pass ensured an influx of merchants and the development of trade. Its status as the capital was finally secured in 1719 when the lands were united under the rule of the Princes of Liechtenstein.